Home / 1,011,248.40-1,514,904.30-561,163.80

Finding the Fourth Proportional to 1,011,248.40, 1,514,904.30 and 561,163.80

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Solution

The fourth proportional to 1,011,248.40, 1,514,904.30 and 561,163.80 is: 840,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,248.40 : 1,514,904.30 = 561,163.80 : x
  2. Step 2: Convert to fraction form
    1,011,248.40/1,514,904.30 = 561,163.80/x
  3. Step 3: Cross multiply
    1,011,248.40x = 1,514,904.30 × 561,163.80
  4. Step 4: Simplify right side
    1,011,248.40x = 850,109,453,624.34
  5. Step 5: Solve for x
    x = 850,109,453,624.34/1,011,248.40
  6. Step 6: Final answer
    x = 840,653.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.